Honda Civic Problem Report

Honda Civic Check Engine Light Due to Primary O2 Heater Failure

(2 reports)

A failure of the Primary O2 sensor heater can cause illumination for the Check Engine Light. Replacing the O2 is required to repair this issue.

replace both 02 sensors the cat. throttle body sensor, map sensor, did tune up, vac. line fuel filter bank one sensor still error out anfter 200 mile or so runs fine -
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